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Definition of pioneer species

Categorized under "General"

Definition as written by darylmitchell:

The first species of trees to establish in an area after a disturbance, such as fire or logging. These trees are usually hardwood species, fast-growing, shade-intolerant and short-lived. Because their seedlings cannot survive the shade the parent trees cast, they are eventually replaced by successional species whose seedlings are more shade tolerant. Quaking aspen (Populus tremuloides) is an example of a pioneer species.

Definition as written by Magpye:

(1) The first plants to take over when a farmstead has been abandoned.

(2) Herbaceous annual and seedling perennial plants that colonize bare areas as a first stage in secondary succession.

(3) The very first species to grow .. of a soil/ground, that has had a traumatic occurrence .. such as a fire, flood, earthquake. Also known as pioneer plants.


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